Took me a minute to figure out why it wasnt working once i was in Japan. You need to turn data roaming on once the esim is on and your sim is off.
ASHLEY G, 04 Apr 2026
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It’s fine when it’s working but…
It’s fine when it’s working but frequently doesn’t work
John Greaves, 04 Apr 2026
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No hassles
No hassles. Has an app to add data as needed with many options. Coverage was great and the data speed was excellent. Thank you.
James Martin, 04 Apr 2026
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Worked perfectly
Worked perfectly, great overview, easy handling…
Angie, 04 Apr 2026
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Reliable and Convenient Service for Travel and Everyday Use
I discovered this service last year and have been using it ever since. The signal quality has been consistently good, and l've recommended it to many of my friends.
One of the things I appreciate most is the convenience it offers when traveling. You can register before your flight and start using it immediately upon arrival at your destination, which makes the whole experience seamless.
Recently, I've also been using it within my own country. I no longer need to purchase another number, and I can easily choose the amount of data (GB) that suits my needs.
Overall, it's very convenient and flexible.
Highly recommended!
Lee F., 04 Apr 2026
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Verry good excellence I recommend nice
Verry good excellence I recommend nice
Daniela Sardinha, 04 Apr 2026
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Reliable
Reliable , quick log in and wide coverage all of the country
Belle, 04 Apr 2026
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I needed a local IP tourist sim in the…
I needed a local IP tourist sim in the US and Canada, Ubigi works great!
porkchop, 04 Apr 2026
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Absolute necessity while in Japan
Absolute necessity while in Japan. Super easy to buy, install and use on my iPhone. Good value.
Ferris Wills, 04 Apr 2026
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Generally good connectivity but…
Generally good connectivity but sometimes bit slow. Could be better.
Vikram PATIL, 04 Apr 2026
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Used it while I was away in Japan
Used it while I was away in Japan. Worked very well and would recommend it to anyone who needs a good eSIM company
Karl, 04 Apr 2026
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Easy and very user-friendly
Easy ad very user-friendly. Love it.
customer, 04 Apr 2026
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Very effective
Very effective
customer, 04 Apr 2026
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On our first trip yo Japan
On our first trip yo Japan. I added Ubigi to my wife's phone and i went with another eSim provider. There was a big difference in connectivity and coverage. In Mijajima I had no coverage but my wife had 5G coverage. I added Ubigi to my phone and instantly had connectivity. I also notice no delay while using Google Maps. I had great experience with Ubigi.
Marvin, 04 Apr 2026
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Reliable performer
i used Ubegi e sim extensively during my 15 days stay in japan. Found the connectivity extremely good even in the most remote places. The renewal of the package was simple too.
Surely a five star from my side and would defnitely opt again.